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Finding the Fourth Proportional to 502,522.68, 693,170.01 and 330,460.32

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Solution

The fourth proportional to 502,522.68, 693,170.01 and 330,460.32 is: 455,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,522.68 : 693,170.01 = 330,460.32 : x
  2. Step 2: Convert to fraction form
    502,522.68/693,170.01 = 330,460.32/x
  3. Step 3: Cross multiply
    502,522.68x = 693,170.01 × 330,460.32
  4. Step 4: Simplify right side
    502,522.68x = 229,065,183,319.00
  5. Step 5: Solve for x
    x = 229,065,183,319.00/502,522.68
  6. Step 6: Final answer
    x = 455,830.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.